20166096944

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{807419}}^1$

素因数の和:807657

約数の個数: 40

約数和(自身を含む): 44853795840

約数和(自身を除く): 24687698896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 12488, 24976, 807419, 1614838, 3229676, 5651933, 6459352, 11303866, 12918704, 22607732, 45215464, 90430928, 180054437, 360108874, 720217748, 1260381059, 1440435496, 2520762118, 2880870992, 5041524236, 10083048472, 20166096944]

約数ペア:

[(1, 20166096944), (2, 10083048472), (4, 5041524236), (7, 2880870992), (8, 2520762118), (14, 1440435496), (16, 1260381059), (28, 720217748), (56, 360108874), (112, 180054437), (223, 90430928), (446, 45215464), (892, 22607732), (1561, 12918704), (1784, 11303866), (3122, 6459352), (3568, 5651933), (6244, 3229676), (12488, 1614838), (24976, 807419)]